/Engine/Source/Runtime/Slate/Public/Framework/Text/ShapedTextCache.h
Add the given shaped text instance to the cache, or generate a new instance and add that based on the parameters provided
The shaped text instance
FShapedGlyphSequenceRef AddShapedText ( const [FCachedShapedTextKey](API\Runtime\Slate\Framework\Text\FCachedShapedTextKey) & InKey, const TCHAR * InText )